Description
The 6ES7331-7KF02-0AB0 SM 331 module is designed to provide flexible and reliable analog signal processing for SIMATIC S7-300 systems. With 8 isolated inputs and selectable resolutions of 9, 12, or 14 bits, it can handle voltage, current, thermocouple, and resistor signals. Integrated alarm and diagnostic features enhance system reliability, while the 20-pole connector allows easy installation and removal using the active backplane bus. This module is ideal for industrial automation, process monitoring, and precise measurement applications.
Key Features
8 isolated analog inputs
Resolution: 9 / 12 / 14 bits
Supports voltage, current, thermocouple, and resistor signals
Alarm and diagnostic functions
1x 20-pole connector
Removable and insertable using active backplane bus
Suitable for SIMATIC S7-300 systems
Warranty & After-Sales
Factory new: Kairock 12-month warranty
Technical support for installation and configuration
Global shipping and replacement services
Delivery Time
Stock availability: 3–5 working days
Non-stock/custom orders: per agreement
Why Choose Kairock
China-based sourcing and efficient supply chain management
Global shipping for distributors, integrators, and repair partners
Trusted trade partner for Siemens automation components
Professional after-sales support and technical guidance
Applications
Analog signal acquisition in S7-300 systems
Industrial automation and process control
Factory monitoring and instrumentation
Measurement and control applications requiring isolated analog inputs
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